Information Technology

Information Technology Exam Questions and Answers

Q.01. What is USB flash drive? Ans: A USB flash drive is portable and lightweight storage device. It is commonly used to transfer documents, photos, music and videos from one computer to other. Q.02. Define communication devices? Ans: The hardware components used to communicate and exchange data, instructions and information with other computers are called communication devices. Q.03. What is ...

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Information Technology Interview Questions and Answers

information technology interview questions and answers

Q.1. Why know-how is a component of information technology? Ans: Know-how is a component of information technology because people should know the use of information technology to solve problems. They should also know how information technology can create opportunities for them. Q.2. What is difference between users of information technology and IT professionals? Ans: Users are people who use information ...

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Information Technology Interview Basic Questions

IT Basic Quiz Answer and questions

Q.1. Define computer? Ans: The electronic device which solves different problems according to the set of instructions given to it is called computer. A computer can accept data, process data into useful information and store it for later use. Q.2. Define computer literacy? Ans: The term computer literacy refers to the knowledge and understanding of computer and its uses. A ...

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Classification of Computer, Minicomputer, Supercomputer, Mainframe Computer

type of computer

Classification of Computer The Computers are distributed depending on their processing power, size, speed and price. However, the systematization/distribution of computers is not very straight-forward. The distinction between these categories is sometimes not very clear. Some characteristics overlap different categories. Computers can be classified into the following categories: ·         Personal Computer ·         Minicomputer ·         Supercomputer ·         Mobile Devices ·         Mainframe ...

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History of Computer

computer history

History of computing Computer was invented because “necessity is the mother of invention”. Man always for a fast calculating device. It took a long time to invent the digital computer. A brief history behind the invention of the computer is as follows: Abacus Abacus was the first computing device. It was developed 5000 years ago. It was used simple addition ...

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Components of Information Technology

 IT The type of technology which spread information from one place to another by using computing with high-speed communication links. The interconnection of computers enables people to send and receive information. The communication links are also used to communicate with different people in the world. The world has become a global village due to information technology. It means that people ...

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Information Processing Cycle

Information Processing Cycle

Information Processing Cycle A series of steps used to convert data into useful information is known as information processing cycle. The steps in this cycle are performed in a specific sequence. Different steps in the information processing cycle are as follows: Input The first step of the information processing cycle is input. The computer accepts data in this step. Data ...

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Software and Hardware Notes

Hardware and Software Notes

Software and Hardware Software: In order to solve a problem set of instructions are given to the computer which is called as a software. It is also defined as a program. Different software’s are used to solve different problems. A computer works according to the instructions written in software. Hardware: The physical parts of the computer are called hardware. The ...

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